hi
thanks for all reply
sorry my question is not clear
my question is how i can change password (i mean password for entering the device and for enable and for telnet ) for each router and pix and switch
>>>>Do you curently have access to the device
yes i can enter to the device but i want to change the old password

Josh Coen and Jason Langer have prepared the latest edition of VCP study guide. Both authors have been working in the IT field for more than a decade, and both hold VMware certifications. This 163-page guide covers all 10 of the exam blueprint sections.

You cannot apply a password directly to the serial console port, but you can set the console port to use AAA local username/password. Pix calls the console port "serial" port
aaa authentication serial LOCAL

hi
thanks for your reply
>>>You cannot apply a password directly to the serial console port, but you can set the console port to use AAA local username/password. Pix calls the console port "serial" port
aaa authentication serial LOCAL

The PIX will not challenge you for a password for direct connection to the console port. If you want the PIX to present you with a username/password prompt from a direct console connection, then you have to enable aaa authentication to use LOCAL username/password. Example:
aaa authentication serial console LOCAL
username nasemabdullaa password yourPa$$w0rd privilege 15

Then when you console into the PIX, instead of:
pixfirewall>

You will see:

User Access Verification
Username: <enter username>
Password: <enter password>
Type help or '?' for a list of available commands.
pixfirewall>

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